US2913418A - Tar remover - Google Patents

Tar remover Download PDF

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Publication number
US2913418A
US2913418A US58206556A US2913418A US 2913418 A US2913418 A US 2913418A US 58206556 A US58206556 A US 58206556A US 2913418 A US2913418 A US 2913418A
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Prior art keywords
tar
sil
cab
example
solvent
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
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Inventor
Louis C Sohngen
Jack J Bulloff
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Las-Stik Manuf Co
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Las-Stik Manuf Co
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    • CCHEMISTRY; METALLURGY
    • C11ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/02Inorganic compounds ; Elemental compounds
    • C11D3/12Water-insoluble compounds
    • C11D3/124Silicon containing, e.g. silica, silex, quartz, glass beads
    • CCHEMISTRY; METALLURGY
    • C11ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/02Inorganic compounds ; Elemental compounds
    • C11D3/12Water-insoluble compounds
    • C11D3/124Silicon containing, e.g. silica, silex, quartz, glass beads
    • C11D3/1246Silicates, e.g. diatomaceous earth
    • C11D3/1253Layer silicates, e.g. talcum, kaolin, clay, bentonite, smectite, montmorillonite, hectorite, attapulgite
    • C11D3/1266Layer silicates, e.g. talcum, kaolin, clay, bentonite, smectite, montmorillonite, hectorite, attapulgite in liquid compositions
    • CCHEMISTRY; METALLURGY
    • C11ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D7/00Compositions of detergents based essentially on non-surface-active compounds
    • C11D7/50Solvents
    • C11D7/5004Organic solvents
    • C11D7/5027Hydrocarbons
    • CCHEMISTRY; METALLURGY
    • C11ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D7/00Compositions of detergents based essentially on non-surface-active compounds
    • C11D7/22Organic compounds
    • C11D7/24Hydrocarbons

Description

United States Patent TAR REMOVER Louis C. Sohngen, Hamilton, and Jack.J. Bullolfi Day'ton, Ohio; assignors to The Las-Stik Mfg.?."Co;, Hamilton; Ohio No Drawing." ,Application May'tz 1956 Serial-N0. 582,065-

This invention relates to new compositions of. matter adaptedforuseas tar removersr H v It is desirable, in removing tar froma painted-surface, to efiect such removal with minimum damage to the painti- Also, it is desirable to mark oifith'e-r area' treated with the remover as a guide for re-waxing or re-touching the same. This is particularlyiimportant in garages where taris bein'g removedfrom a la-rgeinumber of automobilesand where the lighting- .may .be' such that the ar eas to -be re=waxedscannot bedetected readily;

Inthe big-garages and finishing; shops; the :operator's usually wipe off the dried tar remover With a clothhheld in one hand and apply the wax to the treatediareawith a-cloth held in the- 'othenhandi Y For -speed'and' efficiency, as well as for conserving both the tar remover and the wax, it is desirable that the"areaato =be'worl'ed on be plainly discernible. to the eye."

Another requirement for a wholly? satisfactory tar remover is that it should have a viscosity such that it does not run off onto'untarred' areas-particularly=when the surface treated" is" disposed vertically; This "conserves thetar remover'and"alsopr0tects adjacentpainted surfaces which do not require treatment" therewith.

The tar' removers that have'been known heretofore have been deficient in one'or more of the foregoing respects and havefailed to satisfy all of" the requirements for an'ideal" tar removingcomposition: l r

The primary object of'thisinvention isto provide new compositionsthatsatisfy all of the requirements for an ideal tar remover whileremoving a minimum of'th'e paint when applied'to a painted surface." I

Another object is" to providenewcompositions for effectively removing'tar from automobile bodi'es and the like, vwhich compositions leave a minimum oil on the treated surface 'after wiping" of the di'ssolved-tar therefrom.

A'furtherobject is to provide" new tar removing cornpositions"containing' a-markingag'ent: v I

An added objectis to providenew and improved tar removing compositions which are commercially competitive with the less effective and less'sati'sfa'ctory tar removers of the'prior art.

These and other objects-are accomplishedby provid ingi compositions'which comprise a solvent for thetar, e.g.,' a coal tar or petroleum solvent" such asgasolin'e; benzene, kerosene, Sohio solvent," etc., a finelydivi'ded pigment, finely dividedsilica', or a'm'ixtureof'finely divided pigment and silica. The pigment" and/or" silica are used in the form of particles having a diameter of 0.1 millimicron to 20 microns; Preferably,.the-pigment particles have adiameter of millimicrons to 15 microns, and the silica particles have a diameter of 0.5 millimicron to 10 microns:

Althougtnthe" tarremover'm'ay consist of the tar-solvent and'a finely divided pigment; it"is found that'while tlrapigments -are'strong markingagentsthey are relatively poor thickeningFahd suspending agents:='=- The composi- 2,913,418 Patented Nov. 1.7, 1959.

tions consisting ofthesolvent and...pigment.mfl;nothave the, desired viscosity.

On the. otherhand,fthe.-.fiiiely divided-j.silica1.is;an.ex cellent thickening agent but has: relativelypoor'marking;

property. Compositions consisting of the solvent and finely divided silica may nothave the desired marking characteristics. 1

In the preferred embodiment;ofi-this invention; the:

tar remover comprises the tar solvent containing both the finely divided pigmentandfihe finely divided silica. It isufounduthat when both the: pigmentrandetheasilica are present in the so'lventein the ratioch2 1. to 5':.1;:thef

two materials act upon each other cynergistically, with the unexpected very advantageous result that the silica maintains-the pigment inzssusp'ensionsin :the sol-venttawithout Stratification, thuseliminat-ing any problem: of'rcaking.

that the operator can quickly and accurately-reewaxwthe,

same.

The compositions have the additional advantage that when wiped olf (removing, the tar)-' andkdriedg: Ithey leave a bright-surface whichirequiresless rubbing afteraappli'e cation .of the wax to take on-ra high sheenzn The solvent used. maybe predominantly; aromatic or predominantly aliphatic. Mixtures of the. predominantly aramatic and predominantly aliphatic solvents in anyipropo'rtionsmay beused." Thechoice offsolvent willedepend on the temperature conditions." In =coldfweather, predominantly aromatic petroleumsolvents are pre' ferred-iin warm'e'r'weather the predominantly. aliphatic, less expensive coal tar solvents are satisfactory.

Finely divided "pigments including. white, 1 pigments; whi5e- -pigment" extenders; and coloring pigments may.- be use The'silica mayhave anave'rag'je. particle siZe-in the range stated above, but in 'general' colloidal silica is preferred.

The following examples are given to illustrate one prefer'red embodiment of the invention, it beingjunde'rstood that theexamples 'arenot intendedas limitative".

Example-.1

One hundred and fifty"- gallons-"of tar remover-were prepared from the following materials? 96% Solvesso 100 (a predominantly aromaticpjettoleunr solvent marketed by 'StandardOiI' Company oral-Ohio) 3% ASP 600 (a finelydividedvwhiteabsorbent Attapulgis clay marketed by Minerals &..Chemicals Co: of America-Edgar Div.)

1% Cab-O-Sil (colloidal silica-marketedbyl'GodfreyiL.

Cabot Company) One-fourth of"'th'etotal Solvesso-100'was introduced into a mixing tank equipped'with stirrerss The stirrers were set in action and the ASP 600 (33' pounds) was added-"in increments of '1-2pounds;" at 'ten second'iintervals, and with mixing after each addition. The Cab- O-Sil (11 pounds) was added :over a period of 2 minutes and the remaining Solvesso 1 0O.was thenblendedinu For best results, the mixinglis.performed in.an-vesselr equipped with a stirrer that exerts a high shear in the mixing, since the higher the initial shear ofmix'ing the less the tendency of the dispersed particlestoysettle.

The compositions are applied liberally with a cloth to the tarred area, rubbed in, allowed to soak into-the'tar, and then rubbed -olf, removirrgtlie tarL The area-is al w 3 lowed to dry, wiped with a clean cloth, and is then ready for waxing.

Example H Example I was repeated using, as the solvent, a mixture of 80% Solvesso 100 and 16% of Sohio solvent, the latter being a petroleum naphtha cut marketed by Standard Oil Company of Ohio.

Example III 1 Example I was repeated using, as the solvent, a mixture of 61% Solvesso 100 and 35% Sohio solvent.

Example IV Example I was repeated using, as the solvent, 42-%- Solvesso 100 and 54% Sohio solvent.

Example V- Example I was repeated, using' as the solvent, 23% Solvesso 100 and 73% Sohio solvent.

Example VI Example I was repeated using Sohio solvent.

The composition of Example 11 is useful over a wide temperature range including freezing temperature. The compositions of Examples III-VI are useful at higher temperatures.

Example VII Compositions (a-h) as in Example I were prepared using, as the solvent, the solvents listed below in amounts by weight equal to the amount shown in Example I.

Example VIII "Compositions (a-n) were prepared as in Example I except that the 4% solids used were as listed below:

(a) 0.8% Cab-O-Sil and 2.2% ASP 600 (b) 0.7% Cab-O-Sil" and 3.3% ASP 600 (c) 1.0% Cab-Sil" and 3% ASP 1300 (d) 1.0% Cab-O-Sil and 3% ASP 1100 (e) 1.0% Cab-O-Sil" and 3% ASP 500 (f) 1.0% Cab-O-Sil and 3% ASP 400 (g) 1.0% Cab-O-Sil and 3%ASP 200 (h) 1.0% Cab-O-Sil and 3% ASP 100 (i) 1.0% Cab-O-Sil and 3% Attasorb 1 HVM (i) 1.0% Cab-O-Sil" and 3% Attasorh RVM (k) 1.0% Cab-O-Sil" and 3% Attaclay (l) 0.7% Cab-O-Sil and 3.3% Colloidal Cermagel (m) 1.0% Cab-O-Sil and 3% Attasol (n) 1.0% Cab-O-Sil" and 1.5% Attasorb HVM plus 1.5 ASP 200 Colloidal clays marketed by Minerals and Chemicals Co. of America.

Example IX Compositions (a-p) were made up as in Example I but having the solids content listed below:

(a) 2% Syloid 244 and 4% ASP 600 (colloidal silica;

Davidson Chemical Co.)

(b) 2% Santocel 54 and 4% ASP 600 (colloidal silica:

Monsanto Chemical Co.)

(a) 14 Dow CorningSilica and 3.8 ASP 600 (d) 3% Columbia silene and 3% ASP 600 (colloidal silica; Columbia Southern Div. Pittsburgh Plate Glass Co.) f

(e) 2% Cab-O-Sil and 4% fullers earth (f) 2% Cab-O-Sil and 4% bentonite (g) 12% ASP 600 a (h) 12% Attasorb HVM (i) 10% National Lead Ben-A-Gel (bentonite; National Lead Co.).

,12% Perma'gel (colloid milled) (National Lead c03 (k) 3% Cab-O-Sil (1) 5% Cab -O-Sil (m) 3% Johns Manville Mircoc el '0 (n) 3% Johns Manville Mircocel- B (o) 3% Johns M anville Mircocel A (p) 5% precipitated chalk 1 Hydrated calcium silicate.

It will be apparent that the invention provides new tar removing compositions involving the following important features:

In general, white pigments are used but coloring pigments selected to show on the painted surface of particular color to be treated may be used.

While any effective tar removing composition has a tendency to remove paint as well, the compositions of this invention remove tar accumulations from paintedv surfaces with minimum damage (dissolving and erosion) to the paint. The compositions are excellent markers in both the wet and dry conditions and have good vertical cling. The suspensions are stable over practical time periods and may be prepared, packaged, and stored under normal conditions without settling or caking of the suspended particles. They tested favorably when checked for rag bleed-out, pour behaviour and appearance.

Since it will be apparent that changes and modifications can be made in the composition specifically exemplified without departing from the spirit and scope of the invention, it is to be understood that it is not in-. tended to limit the invention except as defined in the appended claim.

What is claimed is:

A liquid composition for removing tar from painted surfaces, said composition consisting of the following constituents in the proportionate. amounts by weight, gasoline 96%, finely divided clay marking pigment 3%,

' colloidal silica 1%, said pigment and colloidal silica having an average particle size of 0.1 millimicron to 20 microns, and the ratio of pigment to colloidal silica being in the range of 2:1 to 5:1.

References Cited in the file of this patent UNITED STATES PATENTS (Other references on following page) 5 6 FOREIGN PATENTS Hackhs Chemical Dictionary, 3rd ed., 1944, p. 370. 965,236 France Feb. 15, 1950 Lesser in Soap and Sanitary Chemicals, May 1951, 825,731 Germany Dec. 20, 1951 Lesser in Soap and Sanitary Chemicals, June 1951,

5 pp. 30-33, 98, 157. OTHER REFERENCES Handbook of Material Trade Names, by Zimmer- Washing, Cleaning, and Polishing Materials, circular man and Lavine, 1953, p. 500, pub. by Ind. Research of the Nat. Bur. of Standards (C424), 1939, p. 43. Service.

Claims (1)

1. A LIQUID FOR REMOVING TAR FROM PAINTED SURFACES, SAID COMPOSITION CONSISTING OF THE FOLLOWING CONSTITUENTS IN THE PROPORTIONATE AMOUNATS BY WEIGHT GASOLINE 96%, FINELY DIVIDED CLAY MARKING PIGMENT 3%, COLLOIDAL SILICA 1%, SAID PIGMENT AND COLLODIAL SILICA HAVING AN AVERAGE PARTICLE SIZE OF 0.1 MILLIMOCRON TO 20 MICRONS, AND THE RATIO OF POGMENT TO COLLODIAL SILICA BEING IN THE RANGE OF 2:1 TO 5:1.
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Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3080316A (en) * 1958-09-15 1963-03-05 Johns Manville Fire retardant and control composition
US3093592A (en) * 1959-11-05 1963-06-11 Givaudan Corp Gel spot remover
US3189553A (en) * 1960-03-31 1965-06-15 Merck & Co Inc Paint stripping compositions
US3206408A (en) * 1961-04-07 1965-09-14 American Cyanamid Co Aqueous shampoo composition
US3275560A (en) * 1962-05-23 1966-09-27 Eutectic Welding Alloys Metal cleaning paste
US3354088A (en) * 1963-09-16 1967-11-21 Gen Mills Inc Aerosol hard surface cleaner
US3379645A (en) * 1965-11-15 1968-04-23 Rohr Corp Process and composition for removing protective paint films
US3666670A (en) * 1969-08-01 1972-05-30 Vulcan Materials Co Pulverulent drain cleaning composition
US3919101A (en) * 1970-03-17 1975-11-11 Colgate Palmolive Co Carpet cleaning composition and method
US4999126A (en) * 1988-08-01 1991-03-12 Nalco Chemical Company Fumed silica as a paint stripper thickener
US6211133B1 (en) * 2000-07-25 2001-04-03 Biospan Technology, Inc Bituminous substance removal composition
EP2163607A1 (en) * 2007-07-05 2010-03-17 Nippon Soda Co., Ltd. Solvent for cleaning of organic thin film

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1248071A (en) * 1916-12-01 1917-11-27 Edward R Bule Composition of matter for the removal of road-tar and road-oil from finished surfaces.
FR965236A (en) * 1950-09-06
DE825731C (en) * 1950-06-01 1951-12-20 Juan Serrallach Julia A method for preparing a stain remover pulverfoermigen
US2650202A (en) * 1951-02-15 1953-08-25 Tide Water Associated Oil Comp Production of silicate adsorbent
US2665259A (en) * 1953-03-18 1954-01-05 Attapulgus Minerals And Chemic Absorbent and process for preparation thereof
US2708157A (en) * 1953-03-16 1955-05-10 Alfred C Houser Abrasive cleanser and method of scouring surfaces

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR965236A (en) * 1950-09-06
US1248071A (en) * 1916-12-01 1917-11-27 Edward R Bule Composition of matter for the removal of road-tar and road-oil from finished surfaces.
DE825731C (en) * 1950-06-01 1951-12-20 Juan Serrallach Julia A method for preparing a stain remover pulverfoermigen
US2650202A (en) * 1951-02-15 1953-08-25 Tide Water Associated Oil Comp Production of silicate adsorbent
US2708157A (en) * 1953-03-16 1955-05-10 Alfred C Houser Abrasive cleanser and method of scouring surfaces
US2665259A (en) * 1953-03-18 1954-01-05 Attapulgus Minerals And Chemic Absorbent and process for preparation thereof

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3080316A (en) * 1958-09-15 1963-03-05 Johns Manville Fire retardant and control composition
US3093592A (en) * 1959-11-05 1963-06-11 Givaudan Corp Gel spot remover
US3189553A (en) * 1960-03-31 1965-06-15 Merck & Co Inc Paint stripping compositions
US3206408A (en) * 1961-04-07 1965-09-14 American Cyanamid Co Aqueous shampoo composition
US3275560A (en) * 1962-05-23 1966-09-27 Eutectic Welding Alloys Metal cleaning paste
US3354088A (en) * 1963-09-16 1967-11-21 Gen Mills Inc Aerosol hard surface cleaner
US3379645A (en) * 1965-11-15 1968-04-23 Rohr Corp Process and composition for removing protective paint films
US3666670A (en) * 1969-08-01 1972-05-30 Vulcan Materials Co Pulverulent drain cleaning composition
US3919101A (en) * 1970-03-17 1975-11-11 Colgate Palmolive Co Carpet cleaning composition and method
US4999126A (en) * 1988-08-01 1991-03-12 Nalco Chemical Company Fumed silica as a paint stripper thickener
US6211133B1 (en) * 2000-07-25 2001-04-03 Biospan Technology, Inc Bituminous substance removal composition
EP2163607A1 (en) * 2007-07-05 2010-03-17 Nippon Soda Co., Ltd. Solvent for cleaning of organic thin film
JPWO2009004823A1 (en) * 2007-07-05 2010-08-26 日本曹達株式会社 Organic thin film cleaning solvent
EP2163607A4 (en) * 2007-07-05 2011-04-13 Nippon Soda Co Solvent for cleaning of organic thin film
JP4995910B2 (en) * 2007-07-05 2012-08-08 日本曹達株式会社 Organic thin film cleaning solvent

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